HerbalFactors Milk Thistle
by Natural Factors · capsule · 60 capsules
- Off the market since May 2017 (NIH)
- UPC 0 68958 04180 3
- DSLD label 36738
- Serving 1 capsule
HerbalFactors Milk Thistle by Natural Factors lists 4 ingredients, 4 with an amount per serving of 1 capsule, such as 250 mg of milk thistle (silybum marianum) 30:1 extract, 55 mg of dandelion (taraxacum officinale) powder and 27.5 mg of turmeric (curcuma longa) powder. Its current label entered the NIH Dietary Supplement Label Database on August 26, 2014.
What is in HerbalFactors Milk Thistle?
Each row as the label prints it, per serving of 1 capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Milk Thistle (Silybum marianum) 30:1 extractas Total FlavonoidsMilk Thistle (Silybum marianum) 30:1 extract (Form: containing 200 mg 80% Total Flavonoids) PlantPart: seed Genus: Silybum Species: marianum | 250 mg | Higher than 62% of 1,277 products listing milk thistle (median 175 mg). Per day at the most servings: 1,500 mg. | |
| standardized to 150 mg Silymarinas Silybinstandardized to 150 mg Silymarin (Form: including Silybin) | 150 mg | Higher than 58% of 208 products listing silymarin (median 116 mg). Per day at the most servings: 900 mg. | |
| Dandelion (Taraxacum officinale) powder | 55 mg | 70% of 793 products listing dandelion give more (median 100 mg). Per day at the most servings: 330 mg. | |
| Turmeric (Curcuma longa) powder | 27.5 mg | 85% of 2,369 products listing turmeric give more (median 150 mg). Per day at the most servings: 165 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 36738 (entered August 26, 2014), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records 3 to 6 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
The products whose ingredient lists overlap most with HerbalFactors Milk Thistle's, rare ingredients counting for more.
- Milk Thistle 250 mgNatural Factors HerbalFactors 4 shared, 83% alike
- Silymarin Milk Thistle Extract 150 mgNOW 3 shared, 71% alike
- Milk Thistle Extract 150 mgNOW 3 shared, 71% alike
- SilymarinBaar Nature's Blessing 3 shared, 71% alike
- Double Strength SilymarinNOW · off the market 3 shared, 63% alike
- Double Strength Silymarin Milk Thistle Extract - 300 mgNOW · off the market 3 shared, 63% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Usage: 1 capsule 3–6 times per day with meals or as directed by a health professional.
- Warnings
- Keep out of reach of children.
- Sealed for your protection. Do not use if seal is broken.
- Allergens and what it does not contain
- Contains no artificial preservatives, color or sweeteners; no corn, dairy, gluten, soy, wheat or yeast.
- Storage
- For freshness, store in a cool, dry place.
Source: label statements in DSLD label 36738.
What else is on the label?
Other ingredients: Gelatin capsule, Rice powder, Magnesium Stearate, Silica.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Purity&Potency Guaranteed.
How many labels does HerbalFactors Milk Thistle have?
2 labels are on file under this name since August 26, 2014: other sizes, label designs and reformulations. The current one leads this page.
- Label 36738 (current) Entered August 26, 2014 · off the market May 6, 2017 · 60 capsules · UPC 0 68958 04180 3
- Label 36725 Entered August 26, 2014 · off the market May 6, 2017 · 90 capsules · UPC 0 68958 04181 0
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Natural Factors Canada (manufacturer). All Natural Factors products.